Weather in Edinburgh in August

Shoulder season. August sits in between. You will get good days and you will lose some. You should expect rain on 17 days of the month, which is more days wet than dry.

August is the highest-scoring month of the twelve. The nearest rival is September, and the month at the other end of the year is January.

This is persistent light rain rather than storms: 17 wet days but only 2 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Pack for 17.7 °C days and 11.2 °C nights; the spread matters more here than any single number.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest August day reached 25.9 °C and the coldest night fell to 6.4 °C, and the wettest single day dropped 30 mm — roughly 30% of the month's rain in one day.

August is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest August on record still delivered 206 mm against 31 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 100 mm average is a reasonable planning figure, not a promise.

Wind is light at 12 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 85%, high enough to notice on the warm days without dominating them.

How August sits in the year

Temperatures hold steady either side: 18 °C in July, 17.7 here, 15.8 in September. Nothing about the timing within the month matters much.

Daylight in August

15.2 hours of daylight, losing 2.1 hours across the month. That is between Edinburgh's extremes of 17.6 and 7 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 16.3 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, April is the trade worth considering — 14 points weaker on weather, and materially quieter.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Edinburgh versus nearby

If Edinburgh is one option among several, the nearby comparison is worth making. Glasgow is close enough to be a coin toss — within a degree on temperature, 5 days more rain. Manchester is close enough to be a coin toss — within a degree on temperature, 2 days more rain.

So: August is the answer for Edinburgh. If it is booked out or priced out, September is the next best thing at 0 points behind, and January is the month to keep off the shortlist.

Every month in Edinburgh

See all twelve months in Edinburgh, or where else to go in August.